Book 2 of Endurance After three grueling days, "Sir" Karl Hausman, Terry Williams, and a host of others have finally managed to create the Safe Zone named Endurance. Now they must face the challenges of saving people and obtaining enough food and housing to support their "frontier town", while the world continues to adapt to the System with the introduction of more and more monsters. A book series set in the universe of the Natural Laws Apocalypse by Tom Larcombe. Endurance: Book 1—Live Free or Die Endurance: Book 2—E Pluribus Unum Endurance: Book 3—Sic Semper Tyrannis (ongoing)